package com.yxmadoc.umlproject.config;

import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;

@Aspect
@Component
public class WebLogAspect {
	
	private Logger logger = LoggerFactory.getLogger(getClass());
	
	ThreadLocal<Long> startTime = new ThreadLocal<>();
	
	@Pointcut("execution(public * com.xianhe.controller..*.*(..))")
	public void webLog() {
	}
	
	@Before("webLog()")
	public void doBefore(JoinPoint joinPoint) throws Throwable {
		
		startTime.set(System.currentTimeMillis());
		
		ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
		HttpServletRequest request = attributes.getRequest();
		
		logger.info("URL: " + request.getRequestURL().toString());
		logger.info("HTTP_METHOD: " + request.getMethod());
		logger.info("IP: " + request.getRemoteAddr());
		logger.info("CLASS_METHOD: " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());
		logger.info("ARGS: " + Arrays.toString(joinPoint.getArgs()));
	}
	
	@AfterReturning(returning = "ret", pointcut = "webLog()")
	public void doAfterReturning(Object ret) throws Throwable {
		logger.info("RESPONSE: " + ret);
		logger.info("SPEND TIME: " + (System.currentTimeMillis() - startTime.get()));
	}
}
